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org.restcomm.protocols.ss7.map.MAPProviderImpl Maven / Gradle / Ivy

/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2012, Telestax Inc and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.restcomm.protocols.ss7.map;

import java.io.IOException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import javolution.util.FastList;
import javolution.util.FastMap;

import org.apache.log4j.Logger;
import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.restcomm.protocols.ss7.map.api.MAPApplicationContext;
import org.restcomm.protocols.ss7.map.api.MAPApplicationContextName;
import org.restcomm.protocols.ss7.map.api.MAPApplicationContextVersion;
import org.restcomm.protocols.ss7.map.api.MAPDialog;
import org.restcomm.protocols.ss7.map.api.MAPDialogListener;
import org.restcomm.protocols.ss7.map.api.MAPDialogueAS;
import org.restcomm.protocols.ss7.map.api.MAPException;
import org.restcomm.protocols.ss7.map.api.MAPParameterFactory;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentException;
import org.restcomm.protocols.ss7.map.api.MAPProvider;
import org.restcomm.protocols.ss7.map.api.MAPServiceBase;
import org.restcomm.protocols.ss7.map.api.MAPSmsTpduParameterFactory;
import org.restcomm.protocols.ss7.map.api.dialog.MAPAbortProviderReason;
import org.restcomm.protocols.ss7.map.api.dialog.MAPAbortSource;
import org.restcomm.protocols.ss7.map.api.dialog.MAPDialogState;
import org.restcomm.protocols.ss7.map.api.dialog.MAPNoticeProblemDiagnostic;
import org.restcomm.protocols.ss7.map.api.dialog.MAPProviderAbortReason;
import org.restcomm.protocols.ss7.map.api.dialog.MAPRefuseReason;
import org.restcomm.protocols.ss7.map.api.dialog.MAPUserAbortChoice;
import org.restcomm.protocols.ss7.map.api.dialog.Reason;
import org.restcomm.protocols.ss7.map.api.dialog.ServingCheckData;
import org.restcomm.protocols.ss7.map.api.errors.MAPErrorCode;
import org.restcomm.protocols.ss7.map.api.errors.MAPErrorMessage;
import org.restcomm.protocols.ss7.map.api.errors.MAPErrorMessageFactory;
import org.restcomm.protocols.ss7.map.api.primitives.AddressString;
import org.restcomm.protocols.ss7.map.api.primitives.MAPExtensionContainer;
import org.restcomm.protocols.ss7.map.api.service.callhandling.MAPServiceCallHandling;
import org.restcomm.protocols.ss7.map.api.service.lsm.MAPServiceLsm;
import org.restcomm.protocols.ss7.map.api.service.mobility.MAPServiceMobility;
import org.restcomm.protocols.ss7.map.api.service.oam.MAPServiceOam;
import org.restcomm.protocols.ss7.map.api.service.pdpContextActivation.MAPServicePdpContextActivation;
import org.restcomm.protocols.ss7.map.api.service.sms.MAPServiceSms;
import org.restcomm.protocols.ss7.map.api.service.supplementary.MAPServiceSupplementary;
import org.restcomm.protocols.ss7.map.dialog.MAPAcceptInfoImpl;
import org.restcomm.protocols.ss7.map.dialog.MAPCloseInfoImpl;
import org.restcomm.protocols.ss7.map.dialog.MAPOpenInfoImpl;
import org.restcomm.protocols.ss7.map.dialog.MAPProviderAbortInfoImpl;
import org.restcomm.protocols.ss7.map.dialog.MAPRefuseInfoImpl;
import org.restcomm.protocols.ss7.map.dialog.MAPUserAbortInfoImpl;
import org.restcomm.protocols.ss7.map.errors.MAPErrorMessageFactoryImpl;
import org.restcomm.protocols.ss7.map.errors.MAPErrorMessageImpl;
import org.restcomm.protocols.ss7.map.service.callhandling.MAPServiceCallHandlingImpl;
import org.restcomm.protocols.ss7.map.service.lsm.MAPServiceLsmImpl;
import org.restcomm.protocols.ss7.map.service.mobility.MAPServiceMobilityImpl;
import org.restcomm.protocols.ss7.map.service.oam.MAPServiceOamImpl;
import org.restcomm.protocols.ss7.map.service.pdpContextActivation.MAPServicePdpContextActivationImpl;
import org.restcomm.protocols.ss7.map.service.sms.MAPServiceSmsImpl;
import org.restcomm.protocols.ss7.map.service.supplementary.MAPServiceSupplementaryImpl;
import org.restcomm.protocols.ss7.sccp.NetworkIdState;
import org.restcomm.protocols.ss7.tcap.DialogImpl;
import org.restcomm.protocols.ss7.tcap.api.MessageType;
import org.restcomm.protocols.ss7.tcap.api.TCAPProvider;
import org.restcomm.protocols.ss7.tcap.api.TCAPSendException;
import org.restcomm.protocols.ss7.tcap.api.TCListener;
import org.restcomm.protocols.ss7.tcap.api.tc.component.InvokeClass;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.Dialog;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCBeginIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCBeginRequest;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCContinueIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCContinueRequest;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCEndIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCEndRequest;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCNoticeIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCPAbortIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCUniIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCUserAbortIndication;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TCUserAbortRequest;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.events.TerminationType;
import org.restcomm.protocols.ss7.tcap.asn.ApplicationContextName;
import org.restcomm.protocols.ss7.tcap.asn.DialogServiceProviderType;
import org.restcomm.protocols.ss7.tcap.asn.DialogServiceUserType;
import org.restcomm.protocols.ss7.tcap.asn.InvokeImpl;
import org.restcomm.protocols.ss7.tcap.asn.ResultSourceDiagnostic;
import org.restcomm.protocols.ss7.tcap.asn.TcapFactory;
import org.restcomm.protocols.ss7.tcap.asn.UserInformation;
import org.restcomm.protocols.ss7.tcap.asn.comp.Component;
import org.restcomm.protocols.ss7.tcap.asn.comp.ComponentType;
import org.restcomm.protocols.ss7.tcap.asn.comp.ErrorCodeType;
import org.restcomm.protocols.ss7.tcap.asn.comp.Invoke;
import org.restcomm.protocols.ss7.tcap.asn.comp.InvokeProblemType;
import org.restcomm.protocols.ss7.tcap.asn.comp.OperationCode;
import org.restcomm.protocols.ss7.tcap.asn.comp.OperationCodeType;
import org.restcomm.protocols.ss7.tcap.asn.comp.PAbortCauseType;
import org.restcomm.protocols.ss7.tcap.asn.comp.Parameter;
import org.restcomm.protocols.ss7.tcap.asn.comp.Problem;
import org.restcomm.protocols.ss7.tcap.asn.comp.ProblemType;
import org.restcomm.protocols.ss7.tcap.asn.comp.Reject;
import org.restcomm.protocols.ss7.tcap.asn.comp.ReturnError;
import org.restcomm.protocols.ss7.tcap.asn.comp.ReturnErrorProblemType;
import org.restcomm.protocols.ss7.tcap.asn.comp.ReturnResult;
import org.restcomm.protocols.ss7.tcap.asn.comp.ReturnResultLast;
import org.restcomm.protocols.ss7.tcap.asn.comp.ReturnResultProblemType;

/**
 *
 * @author amit bhayani
 * @author sergey vetyutnev
 *
 */
public class MAPProviderImpl implements MAPProvider, TCListener {

    protected final transient Logger loger;


    private transient Collection dialogListeners = new FastList().shared();

//    protected transient FastMap dialogs = new FastMap().shared();
    protected transient ConcurrentHashMap dialogs = new ConcurrentHashMap();

//    /**
//     * Congestion sources name list. Congestion is where this collection is not empty
//     */
//    protected transient FastMap congSources = new FastMap();

    private transient TCAPProvider tcapProvider = null;

    private final transient MAPParameterFactory MAPParameterFactory = new MAPParameterFactoryImpl();
    private final transient MAPSmsTpduParameterFactory mapSmsTpduParameterFactory = new MAPSmsTpduParameterFactoryImpl();
    private final transient MAPErrorMessageFactory mapErrorMessageFactory = new MAPErrorMessageFactoryImpl();

    protected transient Set mapServices = new HashSet();
    private final transient MAPServiceMobility mapServiceMobility = new MAPServiceMobilityImpl(this);
    private final transient MAPServiceCallHandling mapServiceCallHandling = new MAPServiceCallHandlingImpl(this);
    private final transient MAPServiceOam mapServiceOam = new MAPServiceOamImpl(this);
    private final transient MAPServicePdpContextActivation mapServicePdpContextActivation = new MAPServicePdpContextActivationImpl(
            this);
    private final transient MAPServiceSupplementary mapServiceSupplementary = new MAPServiceSupplementaryImpl(this);
    private final transient MAPServiceSms mapServiceSms = new MAPServiceSmsImpl(this);
    private final transient MAPServiceLsm mapServiceLsm = new MAPServiceLsmImpl(this);

    /**
     * public common methods
     */

    public MAPProviderImpl(String name, TCAPProvider tcapProvider) {
        this.loger = Logger.getLogger(MAPStackImpl.class.getCanonicalName() + "-" + name);

        this.tcapProvider = tcapProvider;

        this.mapServices.add(this.mapServiceMobility);
        this.mapServices.add(this.mapServiceCallHandling);
        this.mapServices.add(this.mapServiceOam);
        this.mapServices.add(this.mapServicePdpContextActivation);
        this.mapServices.add(this.mapServiceSupplementary);
        this.mapServices.add(this.mapServiceSms);
        this.mapServices.add(this.mapServiceLsm);
    }

    public TCAPProvider getTCAPProvider() {
        return this.tcapProvider;
    }

    public MAPServiceMobility getMAPServiceMobility() {
        return this.mapServiceMobility;
    }

    public MAPServiceCallHandling getMAPServiceCallHandling() {
        return this.mapServiceCallHandling;
    }

    public MAPServiceOam getMAPServiceOam() {
        return this.mapServiceOam;
    }

    public MAPServicePdpContextActivation getMAPServicePdpContextActivation() {
        return this.mapServicePdpContextActivation;
    }

    public MAPServiceSupplementary getMAPServiceSupplementary() {
        return this.mapServiceSupplementary;
    }

    public MAPServiceSms getMAPServiceSms() {
        return this.mapServiceSms;
    }

    public MAPServiceLsm getMAPServiceLsm() {
        return this.mapServiceLsm;
    }

    public void addMAPDialogListener(MAPDialogListener mapDialogListener) {
        this.dialogListeners.add(mapDialogListener);
    }

    public MAPParameterFactory getMAPParameterFactory() {
        return MAPParameterFactory;
    }

    public MAPSmsTpduParameterFactory getMAPSmsTpduParameterFactory() {
        return mapSmsTpduParameterFactory;
    }

    public MAPErrorMessageFactory getMAPErrorMessageFactory() {
        return this.mapErrorMessageFactory;
    }

    public void removeMAPDialogListener(MAPDialogListener mapDialogListener) {
        this.dialogListeners.remove(mapDialogListener);
    }

    public MAPDialog getMAPDialog(Long dialogId) {
        //synchronized (this.dialogs) {
            return this.dialogs.get(dialogId);
        //}
    }

    public void start() {
        this.tcapProvider.addTCListener(this);
    }

    public void stop() {
        this.tcapProvider.removeTCListener(this);

        this.dialogs.clear();
    }

    /**
     * protected common methods
     */

    protected void addDialog(MAPDialogImpl dialog) {
        //synchronized (this.dialogs) {
            this.dialogs.put(dialog.getLocalDialogId(), dialog);
        //}
    }

    protected MAPDialogImpl removeDialog(Long dialogId) {
        //synchronized (this.dialogs) {
            return this.dialogs.remove(dialogId);
        //}
    }

//    public void onCongestionFinish(String congName) {
//        synchronized (this.congSources) {
//            this.congSources.put(congName, congName);
//        }
//    }
//
//    public void onCongestionStart(String congName) {
//        synchronized (this.congSources) {
//            this.congSources.remove(congName);
//        }
//    }
//
//    public boolean isCongested() {
//        if (this.congSources.size() > 0)
//            return true;
//        else
//            return false;
//    }

    public void onTCBegin(TCBeginIndication tcBeginIndication) {

        ApplicationContextName acn = tcBeginIndication.getApplicationContextName();
        Component[] comps = tcBeginIndication.getComponents();

        // ETS 300 974 Section 12.1.3
        // On receipt of a TC-BEGIN indication primitive, the MAP PM shall:
        //
        // - if no application-context-name is included in the primitive and if
        // the "Components present" indicator indicates "no components", issue a
        // TC-U-ABORT request primitive (note 2). The local MAP-User is not
        // informed;
        if (acn == null && comps == null) {
            loger.error(String
                    .format("Received TCBeginIndication=%s, both ApplicationContextName and Component[] are null. Send TC-U-ABORT to peer and not notifying the User",
                            tcBeginIndication));

            try {
                this.fireTCAbortV1(tcBeginIndication.getDialog(), false);
            } catch (MAPException e) {
                loger.error("Error while firing TC-U-ABORT. ", e);
            }
            return;
        }

        MAPApplicationContext mapAppCtx = null;
        MAPServiceBase perfSer = null;
        if (acn == null) {
            // ApplicationContext is absent but components are absent - MAP
            // Version 1

            // - if no application-context-name is included in the primitive and
            // if presence of components is indicated, wait for the first
            // TC-INVOKE primitive, and derive a version 1
            // application-context-name from the operation code according to
            // table 12.1/1 (note 1);

            // a) if no application-context-name can be derived (i.e. the
            // operation code does not exist in MAP V1 specifications), the MAP
            // PM shall issue a TC-U-ABORT request primitive (note 2). The local
            // MAP-User is not informed.

            // Extracting Invoke and operationCode
            Invoke invoke = null;
            int operationCode = -1;
            for (Component c : comps) {
                if (c.getType() == ComponentType.Invoke) {
                    invoke = (Invoke) c;
                    break;
                }
            }
            if (invoke != null) {
                OperationCode oc = invoke.getOperationCode();
                if (oc != null && oc.getOperationType() == OperationCodeType.Local) {
                    operationCode = (int) (long) oc.getLocalOperationCode();
                }
            }
            if (operationCode != -1) {
                // Selecting the MAP service that can perform the operation, getting
                // ApplicationContext
                for (MAPServiceBase ser : this.mapServices) {
                    MAPApplicationContext ac = ((MAPServiceBaseImpl) ser).getMAPv1ApplicationContext(operationCode, invoke);
                    if (ac != null) {
                        perfSer = ser;
                        mapAppCtx = ac;
                        break;
                    }
                }
            }

            if (mapAppCtx == null) {
                // Invoke not found or has bad operationCode or operationCode is not supported
                try {
                    this.fireTCAbortV1(tcBeginIndication.getDialog(), false);
                    return;
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
            }
        } else {
            // ApplicationContext is present - MAP Version 2 or higher
            if (MAPApplicationContext.getProtocolVersion(acn.getOid()) < 2) {
                // if a version 1 application-context-name is included, the MAP
                // PM shall issue a TC-U-ABORT
                // request primitive with abort-reason "User-specific" and
                // user-information "MAP-ProviderAbortInfo"
                // indicating "abnormalDialogue". The local MAP-user shall not
                // be informed.
                loger.error("Bad version of ApplicationContext if ApplicationContext exists. Must be 2 or greater");
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.abnormalDialogue, null,
                            false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
                return;
            }

            mapAppCtx = MAPApplicationContext.getInstance(acn.getOid());

            // Check if ApplicationContext is recognizable for the implemented
            // services
            // If no - TC-U-ABORT - ACN-Not-Supported

            if (mapAppCtx == null) {
                StringBuffer s = new StringBuffer();
                s.append("Unrecognizable ApplicationContextName is received: ");
                for (long l : acn.getOid()) {
                    s.append(l).append(", ");
                }

                loger.error(s.toString());
                try {
                    this.fireTCAbortACNNotSupported(tcBeginIndication.getDialog(), null, null, false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }

                return;
            }
        }

        AddressString destReference = null;
        AddressString origReference = null;
        MAPExtensionContainer extensionContainer = null;
        boolean eriStyle = false;
        AddressString eriMsisdn = null;
        AddressString eriVlrNo = null;

        UserInformation userInfo = tcBeginIndication.getUserInformation();
        if (userInfo == null) {
            // if no User-information is present it is checked whether
            // presence of User Information in the
            // TC-BEGIN indication primitive is required for the received
            // application-context-name. If User
            // Information is required but not present, a TC-U-ABORT request
            // primitive with abort-reason
            // "User-specific" and user-information "MAP-ProviderAbortInfo"
            // indicating "abnormalDialogue"
            // shall be issued. The local MAP-user shall not be informed.

            // We demand User-information mandatory now for ACNs
            // that demand destination/origination reference presence
            // They are: callCompletionContext(8), networkFunctionalSsContext(18)
            // and networkUnstructuredSsContext(19)
            // TODO: I am not absolutely sure that it is correct
            if (mapAppCtx.getApplicationContextName() == MAPApplicationContextName.callCompletionContext
                    || mapAppCtx.getApplicationContextName() == MAPApplicationContextName.networkFunctionalSsContext
                    || mapAppCtx.getApplicationContextName() == MAPApplicationContextName.networkUnstructuredSsContext) {
                loger.error("When parsing TC-BEGIN: userInfo is mandatory for ACN==" + mapAppCtx.getApplicationContextName()
                        + " but not found");
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.abnormalDialogue, null,
                            false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
                return;
            }

        } else {
            // if an application-context-name different from version 1 is
            // included in the primitive and if User-
            // information is present, the User-information must constitute
            // a syntactically correct MAP-OPEN
            // dialogue PDU. Otherwise a TC-U-ABORT request primitive with
            // abort-reason "User-specific" and
            // user-information "MAP-ProviderAbortInfo" indicating
            // "abnormalDialogue" shall be issued and the
            // local MAP-user shall not be informed.

            MAPOpenInfoImpl mapOpenInfoImpl = new MAPOpenInfoImpl();

            if (!userInfo.isOid()) {
                loger.error("When parsing TC-BEGIN: userInfo.isOid() check failed");
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
                return;
            }

            long[] oid = userInfo.getOidValue();

            MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);

            if (mapDialAs == null) {
                loger.error("When parsing TC-BEGIN: Expected MAPDialogueAS.MAP_DialogueAS but is null");
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
                return;
            }

            if (!userInfo.isAsn()) {
                loger.error("When parsing TC-BEGIN: userInfo.isAsn() check failed");
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e) {
                    loger.error("Error while firing TC-U-ABORT. ", e);
                }
                return;
            }

            try {
                byte[] asnData = userInfo.getEncodeType();

                AsnInputStream ais = new AsnInputStream(asnData);

                int tag = ais.readTag();

                // It should be MAP_OPEN Tag
                if (tag != MAPOpenInfoImpl.MAP_OPEN_INFO_TAG) {
                    loger.error("When parsing TC-BEGIN: MAP-OPEN dialog PDU must be received");
                    try {
                        this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                    } catch (MAPException e) {
                        loger.error("Error while firing TC-U-ABORT. ", e);
                    }
                    return;
                }

                mapOpenInfoImpl.decodeAll(ais);

                destReference = mapOpenInfoImpl.getDestReference();
                origReference = mapOpenInfoImpl.getOrigReference();
                extensionContainer = mapOpenInfoImpl.getExtensionContainer();
                eriStyle = mapOpenInfoImpl.getEriStyle();
                eriMsisdn = mapOpenInfoImpl.getEriMsisdn();
                eriVlrNo = mapOpenInfoImpl.getEriVlrNo();
            } catch (AsnException e) {
                e.printStackTrace();
                loger.error("AsnException when parsing MAP-OPEN Pdu: " + e.getMessage(), e);
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e1) {
                    loger.error("Error while firing TC-U-ABORT. ", e1);
                }
                return;
            } catch (IOException e) {
                e.printStackTrace();
                loger.error("IOException when parsing MAP-OPEN Pdu: " + e.getMessage());
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e1) {
                    loger.error("Error while firing TC-U-ABORT. ", e1);
                }
                return;
            } catch (MAPParsingComponentException e) {
                e.printStackTrace();
                loger.error("MAPException when parsing MAP-OPEN Pdu: " + e.getMessage());
                try {
                    this.fireTCAbortProvider(tcBeginIndication.getDialog(), MAPProviderAbortReason.invalidPDU, null, false);
                } catch (MAPException e1) {
                    loger.error("Error while firing TC-U-ABORT. ", e1);
                }
                return;
            }
        }

        // Selecting the MAP service that can perform the ApplicationContext
        if (perfSer == null) {
            for (MAPServiceBase ser : this.mapServices) {

                ServingCheckData chkRes = ser.isServingService(mapAppCtx);
                switch (chkRes.getResult()) {
                    case AC_Serving:
                        perfSer = ser;
                        break;

                    case AC_VersionIncorrect:
                        try {
                            this.fireTCAbortACNNotSupported(tcBeginIndication.getDialog(), null,
                                    chkRes.getAlternativeApplicationContext(), false);
                        } catch (MAPException e1) {
                            loger.error("Error while firing TC-U-ABORT. ", e1);
                        }
                        break;
                }

                if (perfSer != null)
                    break;
            }
        }

        // No MAPService can accept the received ApplicationContextName
        if (perfSer == null) {
            StringBuffer s = new StringBuffer();
            s.append("Unsupported ApplicationContextName is received: ");
            if (acn != null) {
                for (long l : acn.getOid()) {
                    s.append(l).append(", ");
                }
            } else {
                s.append("MAP V1");
            }

            loger.error(s.toString());
            try {
                this.fireTCAbortACNNotSupported(tcBeginIndication.getDialog(), null, null, false);
            } catch (MAPException e1) {
                loger.error("Error while firing TC-U-ABORT. ", e1);
            }

            return;
        }

        // MAPService is not activated
        if (!perfSer.isActivated()) {
            StringBuffer s = new StringBuffer();
            s.append("ApplicationContextName of non activated MAPService is received. Will send back TCAP Abort : ");
            if (acn != null) {
                for (long l : acn.getOid()) {
                    s.append(l).append(", ");
                }
            } else {
                s.append("MAP V1");
            }

            loger.warn(s.toString());

            try {
                this.fireTCAbortACNNotSupported(tcBeginIndication.getDialog(), null, null, false);
            } catch (MAPException e1) {
                loger.error("Error while firing TC-U-ABORT. ", e1);
            }

            return;
        }

        MAPDialogImpl mapDialogImpl = ((MAPServiceBaseImpl) perfSer).createNewDialogIncoming(mapAppCtx,
                tcBeginIndication.getDialog());
        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            this.addDialog(mapDialogImpl);
            mapDialogImpl.tcapMessageType = MessageType.Begin;
            mapDialogImpl.receivedOrigReference = origReference;
            mapDialogImpl.receivedDestReference = destReference;
            mapDialogImpl.receivedExtensionContainer = extensionContainer;

            mapDialogImpl.setState(MAPDialogState.INITIAL_RECEIVED);

            mapDialogImpl.delayedAreaState = MAPDialogImpl.DelayedAreaState.No;

            if (eriStyle) {
                this.deliverDialogRequestEri(mapDialogImpl, destReference, origReference, eriMsisdn, eriVlrNo);
            } else {
                this.deliverDialogRequest(mapDialogImpl, destReference, origReference, extensionContainer);
            }
            if (mapDialogImpl.getState() == MAPDialogState.EXPUNGED) {
                // The Dialog was aborter or refused
                return;
            }

            // Now let us decode the Components
            if (comps != null) {
                processComponents(mapDialogImpl, comps);
            }

            this.deliverDialogDelimiter(mapDialogImpl);

            finishComponentProcessingState(mapDialogImpl);

            if (this.getTCAPProvider().getPreviewMode()) {
                DialogImpl dimp = (DialogImpl) tcBeginIndication.getDialog();
                dimp.getPrevewDialogData().setUpperDialog(mapDialogImpl);
            }
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    private void finishComponentProcessingState(MAPDialogImpl mapDialogImpl) {

        if (mapDialogImpl.getState() == MAPDialogState.EXPUNGED)
            return;

        try {
            switch (mapDialogImpl.delayedAreaState) {
                case Continue:
                    mapDialogImpl.send();
                    break;
                case End:
                    mapDialogImpl.close(false);
                    break;
                case PrearrangedEnd:
                    mapDialogImpl.close(true);
                    break;
            }
        } catch (MAPException e) {
            loger.error("Error while finishComponentProcessingState, delayedAreaState=" + mapDialogImpl.delayedAreaState, e);
        }

        mapDialogImpl.delayedAreaState = null;
    }

    public void onTCContinue(TCContinueIndication tcContinueIndication) {

        Dialog tcapDialog = tcContinueIndication.getDialog();

        MAPDialogImpl mapDialogImpl;
        if (this.getTCAPProvider().getPreviewMode()) {
            mapDialogImpl = (MAPDialogImpl) (((DialogImpl) tcapDialog).getPrevewDialogData().getUpperDialog());
        } else {
            mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());
        }

        if (mapDialogImpl == null) {
            loger.error("MAP Dialog not found for Dialog Id " + tcapDialog.getLocalDialogId());
            try {
                this.fireTCAbortProvider(tcapDialog, MAPProviderAbortReason.abnormalDialogue, null, false);
            } catch (MAPException e) {
                loger.error("Error while firing TC-U-ABORT. ", e);
            }
            return;
        }

        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            mapDialogImpl.tcapMessageType = MessageType.Continue;

            if (this.getTCAPProvider().getPreviewMode()) {
                MAPExtensionContainer extensionContainer = null;

                // Parse MapAcceptInfo if it exists - we ignore all errors
                // this
                UserInformation userInfo = tcContinueIndication.getUserInformation();
                if (userInfo != null) {
                    MAPAcceptInfoImpl mapAcceptInfoImpl = new MAPAcceptInfoImpl();

                    if (userInfo.isOid()) {
                        long[] oid = userInfo.getOidValue();
                        MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);

                        if (mapDialAs != null && userInfo.isAsn()) {
                            try {
                                byte[] asnData = userInfo.getEncodeType();

                                AsnInputStream ais = new AsnInputStream(asnData);

                                int tag = ais.readTag();

                                // It should be MAP_ACCEPT Tag
                                if (tag == MAPAcceptInfoImpl.MAP_ACCEPT_INFO_TAG) {
                                    mapAcceptInfoImpl.decodeAll(ais);

                                    extensionContainer = mapAcceptInfoImpl.getExtensionContainer();
                                }
                            } catch (AsnException e) {
                                e.printStackTrace();
                                loger.error("AsnException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                                return;
                            } catch (IOException e) {
                                e.printStackTrace();
                                loger.error("IOException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                            } catch (MAPParsingComponentException e) {
                                e.printStackTrace();
                                loger.error("MAPException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                            }
                        }
                    }
                }

                // Fire MAPAcceptInfo
                if (tcContinueIndication.getApplicationContextName() != null)
                    this.deliverDialogAccept(mapDialogImpl, extensionContainer);

                // Now let us decode the Components
                Component[] comps = tcContinueIndication.getComponents();
                if (comps != null) {
                    processComponents(mapDialogImpl, comps);
                }

                this.deliverDialogDelimiter(mapDialogImpl);

            } else {
                // Checking the received ApplicationContextName :
                // On receipt of the first TC-CONTINUE indication primitive for
                // a dialogue, the MAP PM shall check the value of the
                // application-context-name parameter. If this value matches the
                // one used in the MAP-OPEN request primitive, the MAP PM shall
                // issue a MAP-OPEN confirm primitive with the result parameter
                // indicating "accepted", then process the following TC
                // component handling indication primitives as described in
                // clause 12.6, and then waits for a request primitive from its
                // user or an indication primitive from TC, otherwise it shall
                // issue a TC-U-ABORT request primitive with a MAP-providerAbort
                // PDU indicating "abnormal dialogue" and a MAP-P-ABORT
                // indication primitive with the "provider-reason" parameter
                // indicating "abnormal dialogue".
                if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                    ApplicationContextName acn = tcContinueIndication.getApplicationContextName();

                    if (acn == null) {

                        // if MAP V1 - no ACN included
                        if (mapDialogImpl.getApplicationContext().getApplicationContextVersion() != MAPApplicationContextVersion.version1) {

                            loger.error(String.format(
                                    "Received first TC-CONTINUE for MAPDialog=%s. But no application-context-name included",
                                    mapDialogImpl));
                            try {
                                this.fireTCAbortProvider(tcapDialog, MAPProviderAbortReason.abnormalDialogue, null,
                                        mapDialogImpl.getReturnMessageOnError());

                            } catch (MAPException e) {
                                loger.error("Error while firing TC-U-ABORT. ", e);
                            }

                            this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                    MAPAbortSource.MAPProblem, null);
                            mapDialogImpl.setState(MAPDialogState.EXPUNGED);

                            return;
                        }
                    } else {

                        MAPApplicationContext mapAcn = MAPApplicationContext.getInstance(acn.getOid());
                        if (mapAcn == null || !mapAcn.equals(mapDialogImpl.getApplicationContext())) {

                            loger.error(String.format("Received first TC-CONTINUE. MAPDialog=%s. But MAPApplicationContext=%s",
                                    mapDialogImpl, mapAcn));
                            try {
                                this.fireTCAbortProvider(tcapDialog, MAPProviderAbortReason.abnormalDialogue, null,
                                        mapDialogImpl.getReturnMessageOnError());
                            } catch (MAPException e) {
                                loger.error("Error while firing TC-U-ABORT. ", e);
                            }

                            this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                    MAPAbortSource.MAPProblem, null);
                            mapDialogImpl.setState(MAPDialogState.EXPUNGED);

                            return;
                        }
                    }

                    MAPExtensionContainer extensionContainer = null;

                    // Parse MapAcceptInfo if it exists - we ignore all errors here
                    UserInformation userInfo = tcContinueIndication.getUserInformation();
                    if (userInfo != null) {
                        MAPAcceptInfoImpl mapAcceptInfoImpl = new MAPAcceptInfoImpl();

                        if (userInfo.isOid()) {
                            long[] oid = userInfo.getOidValue();
                            MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);

                            if (mapDialAs != null && userInfo.isAsn()) {
                                try {
                                    byte[] asnData = userInfo.getEncodeType();

                                    AsnInputStream ais = new AsnInputStream(asnData);

                                    int tag = ais.readTag();

                                    // It should be MAP_ACCEPT Tag
                                    if (tag == MAPAcceptInfoImpl.MAP_ACCEPT_INFO_TAG) {
                                        mapAcceptInfoImpl.decodeAll(ais);

                                        extensionContainer = mapAcceptInfoImpl.getExtensionContainer();
                                    }
                                } catch (AsnException e) {
                                    e.printStackTrace();
                                    loger.error("AsnException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                                    return;
                                } catch (IOException e) {
                                    e.printStackTrace();
                                    loger.error("IOException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                                } catch (MAPParsingComponentException e) {
                                    e.printStackTrace();
                                    loger.error("MAPException when parsing MAP-ACCEPT Pdu: " + e.getMessage(), e);
                                }
                            }
                        }
                    }

                    mapDialogImpl.delayedAreaState = MAPDialogImpl.DelayedAreaState.No;

                    // Fire MAPAcceptInfo
                    mapDialogImpl.setState(MAPDialogState.ACTIVE);
                    this.deliverDialogAccept(mapDialogImpl, extensionContainer);

                    if (mapDialogImpl.getState() == MAPDialogState.EXPUNGED) {
                        // The Dialog was aborter
                        finishComponentProcessingState(mapDialogImpl);
                        return;
                    }
                } else {
                    mapDialogImpl.delayedAreaState = MAPDialogImpl.DelayedAreaState.No;
                }

                // Now let us decode the Components
                if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT
                        || mapDialogImpl.getState() == MAPDialogState.ACTIVE) {
                    Component[] comps = tcContinueIndication.getComponents();
                    if (comps != null) {
                        processComponents(mapDialogImpl, comps);
                    }
                } else {
                    // This should never happen
                    loger.error(String.format("Received TC-CONTINUE. MAPDialog=%s. But state is neither InitialSent or Active",
                            mapDialogImpl));
                }

                this.deliverDialogDelimiter(mapDialogImpl);

                finishComponentProcessingState(mapDialogImpl);
            }
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    public void onTCEnd(TCEndIndication tcEndIndication) {

        Dialog tcapDialog = tcEndIndication.getDialog();

        MAPDialogImpl mapDialogImpl;
        if (this.getTCAPProvider().getPreviewMode()) {
            mapDialogImpl = (MAPDialogImpl) (((DialogImpl) tcapDialog).getPrevewDialogData().getUpperDialog());
        } else {
            mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());
        }

        if (mapDialogImpl == null) {
            loger.error("MAP Dialog not found for Dialog Id " + tcapDialog.getLocalDialogId());
            return;
        }

        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            mapDialogImpl.tcapMessageType = MessageType.End;

            if (this.getTCAPProvider().getPreviewMode()) {
                MAPExtensionContainer extensionContainer = null;
                UserInformation userInfo = tcEndIndication.getUserInformation();
                if (userInfo != null) {

                    if (userInfo.isOid()) {
                        long[] oid = userInfo.getOidValue();
                        MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);

                        if (mapDialAs != null && userInfo.isAsn()) {
                            try {
                                byte[] asnData = userInfo.getEncodeType();

                                AsnInputStream ais = new AsnInputStream(asnData);

                                int tag = ais.readTag();

                                // It should be MAP_ACCEPT Tag or MAP_CLOSE Tag
                                if (tag == MAPAcceptInfoImpl.MAP_ACCEPT_INFO_TAG) {
                                    MAPAcceptInfoImpl mapAcceptInfoImpl = new MAPAcceptInfoImpl();
                                    mapAcceptInfoImpl.decodeAll(ais);

                                    extensionContainer = mapAcceptInfoImpl.getExtensionContainer();
                                }
                                if (tag == MAPCloseInfoImpl.MAP_CLOSE_INFO_TAG) {
                                    MAPCloseInfoImpl mapCloseInfoImpl = new MAPCloseInfoImpl();
                                    mapCloseInfoImpl.decodeAll(ais);

                                    extensionContainer = mapCloseInfoImpl.getExtensionContainer();
                                }
                            } catch (AsnException e) {
                                e.printStackTrace();
                                loger.error("AsnException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                                return;
                            } catch (IOException e) {
                                e.printStackTrace();
                                loger.error("IOException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                            } catch (MAPParsingComponentException e) {
                                e.printStackTrace();
                                loger.error("MAPException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                            }
                        }
                    }
                }

                if (tcEndIndication.getApplicationContextName() != null)
                    this.deliverDialogAccept(mapDialogImpl, extensionContainer);

                // Now let us decode the Components
                Component[] comps = tcEndIndication.getComponents();
                if (comps != null) {
                    processComponents(mapDialogImpl, comps);
                }

                this.deliverDialogClose(mapDialogImpl);
            } else {

                if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                    // On receipt of a TC-END indication primitive in the
                    // dialogue
                    // initiated state, the MAP PM shall check the value of the
                    // application-context-name parameter. If this value does
                    // not
                    // match
                    // the one used in the MAPOPEN request primitive, the MAP PM
                    // shall
                    // discard any following component handling primitive and
                    // shall
                    // issue a MAP-P-ABORT indication primitive with the
                    // "provider-reason" parameter indicating
                    // "abnormal dialogue".
                    ApplicationContextName acn = tcEndIndication.getApplicationContextName();

                    if (acn == null) {

                        // if MAP V1 - no ACN included
                        if (mapDialogImpl.getApplicationContext().getApplicationContextVersion() != MAPApplicationContextVersion.version1) {

                            // for MAP version >= 2 - accepts only if only ERROR
                            // & REJECT components are present
                            boolean notOnlyErrorReject = false;
                            for (Component c : tcEndIndication.getComponents()) {
                                if (c.getType() != ComponentType.ReturnError && c.getType() != ComponentType.Reject) {
                                    notOnlyErrorReject = true;
                                    break;
                                }
                            }
                            if (notOnlyErrorReject) {
                                loger.error(String.format(
                                        "Received first TC-END for MAPDialog=%s. But no application-context-name included",
                                        mapDialogImpl));

                                this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                        MAPAbortSource.MAPProblem, null);
                                mapDialogImpl.setState(MAPDialogState.EXPUNGED);

                                return;
                            }
                        }
                    } else {

                        MAPApplicationContext mapAcn = MAPApplicationContext.getInstance(acn.getOid());

                        if (mapAcn == null || !mapAcn.equals(mapDialogImpl.getApplicationContext())) {
                            loger.error(String.format("Received first TC-END. MAPDialog=%s. But MAPApplicationContext=%s",
                                    mapDialogImpl, mapAcn));

                            this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                    MAPAbortSource.MAPProblem, null);
                            mapDialogImpl.setState(MAPDialogState.EXPUNGED);

                            return;
                        }
                    }

                    // Otherwise it shall issue a MAP-OPEN confirm primitive with the result
                    // parameter set to "accepted" and process the following TC component
                    // handling indication primitives as described in clause 12.6;

                    // Fire MAPAcceptInfo
                    mapDialogImpl.setState(MAPDialogState.ACTIVE);

                    MAPExtensionContainer extensionContainer = null;
                    // Parse MapAcceptInfo or MapCloseInfo if it exists - we
                    // ignore all errors here
                    UserInformation userInfo = tcEndIndication.getUserInformation();
                    if (userInfo != null) {

                        if (userInfo.isOid()) {
                            long[] oid = userInfo.getOidValue();
                            MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);

                            if (mapDialAs != null && userInfo.isAsn()) {
                                try {
                                    byte[] asnData = userInfo.getEncodeType();

                                    AsnInputStream ais = new AsnInputStream(asnData);

                                    int tag = ais.readTag();

                                    // It should be MAP_ACCEPT Tag or MAP_CLOSE Tag
                                    if (tag == MAPAcceptInfoImpl.MAP_ACCEPT_INFO_TAG) {
                                        MAPAcceptInfoImpl mapAcceptInfoImpl = new MAPAcceptInfoImpl();
                                        mapAcceptInfoImpl.decodeAll(ais);

                                        extensionContainer = mapAcceptInfoImpl.getExtensionContainer();
                                    }
                                    if (tag == MAPCloseInfoImpl.MAP_CLOSE_INFO_TAG) {
                                        MAPCloseInfoImpl mapCloseInfoImpl = new MAPCloseInfoImpl();
                                        mapCloseInfoImpl.decodeAll(ais);

                                        extensionContainer = mapCloseInfoImpl.getExtensionContainer();
                                    }
                                } catch (AsnException e) {
                                    e.printStackTrace();
                                    loger.error("AsnException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                                    return;
                                } catch (IOException e) {
                                    e.printStackTrace();
                                    loger.error("IOException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                                } catch (MAPParsingComponentException e) {
                                    e.printStackTrace();
                                    loger.error("MAPException when parsing MAP-ACCEPT/MAP-CLOSE Pdu: " + e.getMessage(), e);
                                }
                            }
                        }
                    }

                    this.deliverDialogAccept(mapDialogImpl, extensionContainer);
                    if (mapDialogImpl.getState() == MAPDialogState.EXPUNGED) {
                        // The Dialog was aborter
                        return;
                    }
                }

                // Now let us decode the Components
                Component[] comps = tcEndIndication.getComponents();
                if (comps != null) {
                    processComponents(mapDialogImpl, comps);
                }

                this.deliverDialogClose(mapDialogImpl);

                mapDialogImpl.setState(MAPDialogState.EXPUNGED);
            }
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    public void onTCUni(TCUniIndication arg0) {
        // MAP do not use TCUni - we just ignore them
    }

    public void onInvokeTimeout(Invoke invoke) {

        MAPDialogImpl mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(((InvokeImpl) invoke).getDialog().getLocalDialogId());

        if (mapDialogImpl != null) {
            try {
                mapDialogImpl.getTcapDialog().getDialogLock().lock();

                if (mapDialogImpl.getState() != MAPDialogState.EXPUNGED) {

                    // Getting the MAP Service that serves the MAP Dialog
                    MAPServiceBaseImpl perfSer = (MAPServiceBaseImpl) mapDialogImpl.getService();

                    // We do not send invokeTimeout for Class 4 invokes
                    if (invoke.getInvokeClass() == InvokeClass.Class4)
                        return;

                    perfSer.deliverInvokeTimeout(mapDialogImpl, invoke);
                }
            } finally {
                mapDialogImpl.getTcapDialog().getDialogLock().unlock();
            }
        }
    }

    public void onDialogTimeout(Dialog tcapDialog) {

        MAPDialogImpl mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());

        if (mapDialogImpl != null) {
            try {
                mapDialogImpl.getTcapDialog().getDialogLock().lock();

                if (mapDialogImpl.getState() != MAPDialogState.EXPUNGED) {
                    this.deliverDialogTimeout(mapDialogImpl);
                }
            } finally {
                mapDialogImpl.getTcapDialog().getDialogLock().unlock();
            }
        }
    }

    public void onDialogReleased(Dialog tcapDialog) {

        MAPDialogImpl mapDialogImpl = this.removeDialog(tcapDialog.getLocalDialogId());

        if (mapDialogImpl != null) {
            try {
                mapDialogImpl.getTcapDialog().getDialogLock().lock();

                this.deliverDialogRelease(mapDialogImpl);
            } finally {
                mapDialogImpl.getTcapDialog().getDialogLock().unlock();
            }
        }
    }

    public void onTCPAbort(TCPAbortIndication tcPAbortIndication) {
        Dialog tcapDialog = tcPAbortIndication.getDialog();

        MAPDialogImpl mapDialogImpl;
        if (this.getTCAPProvider().getPreviewMode()) {
            mapDialogImpl = (MAPDialogImpl) (((DialogImpl) tcapDialog).getPrevewDialogData().getUpperDialog());
        } else {
            mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());
        }

        if (mapDialogImpl == null) {
            loger.error("MAP Dialog not found for Dialog Id " + tcapDialog.getLocalDialogId());
            return;
        }

        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            mapDialogImpl.tcapMessageType = MessageType.Abort;

            PAbortCauseType pAbortCause = tcPAbortIndication.getPAbortCause();
            MAPAbortProviderReason abortProviderReason = MAPAbortProviderReason.ProviderMalfunction;
            MAPAbortSource abortSource = MAPAbortSource.TCProblem;

            // Table 16.1/1: Mapping of P-Abort cause in TC-P-ABORT indication
            // on to provider-reason in MAP-P-ABORT indication
            // TC P-Abort cause MAP provider-reason
            // unrecognized message type provider malfunction
            // unrecognized transaction Id supporting dialogue released
            // badlyFormattedTransactionPortion provider malfunction
            // incorrectTransactionPortion provider malfunction (note)
            // resourceLimitation resource limitation
            // abnormalDialogue provider malfunction
            // noCommonDialoguePortion version incompatibility
            // NOTE: Or version incompatibility in the dialogue initiated phase.

            switch (pAbortCause) {
                case UnrecognizedMessageType:
                case BadlyFormattedTxPortion:
                case AbnormalDialogue:
                case NoReasonGiven:
                    abortProviderReason = MAPAbortProviderReason.ProviderMalfunction;
                    break;
                case UnrecognizedTxID:
                    abortProviderReason = MAPAbortProviderReason.SupportingDialogueTransactionReleased;
                    break;
                case IncorrectTxPortion:
                    if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                        abortProviderReason = MAPAbortProviderReason.VersionIncompatibility;
                    } else
                        abortProviderReason = MAPAbortProviderReason.ProviderMalfunction;
                    break;
                case ResourceLimitation:
                    abortProviderReason = MAPAbortProviderReason.ResourceLimitation;
                    break;
                case NoCommonDialoguePortion:
                    abortProviderReason = MAPAbortProviderReason.VersionIncompatibilityTcap;
                    break;
            }

            if (abortProviderReason == MAPAbortProviderReason.VersionIncompatibility)
                // On receipt of a TC-P-ABORT indication primitive in the
                // "Dialogue Initiated" state with a P-abort parameter
                // indicating "Incorrect Transaction Portion", the MAP PM shall
                // issue a MAP-OPEN confirm primitive with
                // the result parameter indicating "Dialogue Refused" and the
                // refuse reason parameter indicating "Potential Version Incompatibility"."
                this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.PotentialVersionIncompatibility, null, null);
            else if (abortProviderReason == MAPAbortProviderReason.VersionIncompatibilityTcap)
                this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.PotentialVersionIncompatibilityTcap, null, null);
            else
                this.deliverDialogProviderAbort(mapDialogImpl, abortProviderReason, abortSource, null);

            mapDialogImpl.setState(MAPDialogState.EXPUNGED);
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    private enum ParsePduResult {
        NoUserInfo, BadUserInfo, MapRefuse, MapUserAbort, MapProviderAbort;
    }

    public void onTCUserAbort(TCUserAbortIndication tcUserAbortIndication) {
        Dialog tcapDialog = tcUserAbortIndication.getDialog();

        MAPDialogImpl mapDialogImpl;
        if (this.getTCAPProvider().getPreviewMode()) {
            mapDialogImpl = (MAPDialogImpl) (((DialogImpl) tcapDialog).getPrevewDialogData().getUpperDialog());
        } else {
            mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());
        }

        if (mapDialogImpl == null) {
            loger.error("MAP Dialog not found for Dialog Id " + tcapDialog.getLocalDialogId());
            return;
        }

        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            mapDialogImpl.tcapMessageType = MessageType.Abort;

            // Trying to parse an userInfo APDU if it exists
            UserInformation userInfo = tcUserAbortIndication.getUserInformation();
            ParsePduResult parsePduResult = ParsePduResult.NoUserInfo;
            MAPRefuseReason mapRefuseReason = MAPRefuseReason.NoReasonGiven;
            MAPUserAbortChoice mapUserAbortChoice = null;
            MAPProviderAbortReason mapProviderAbortReason = null;
            MAPAbortProviderReason abortProviderReason = MAPAbortProviderReason.AbnormalMAPDialogueFromPeer;
            MAPExtensionContainer extensionContainer = null;

            if (userInfo != null) {
                // Checking userInfo.Oid==MAP_DialogueAS
                if (!userInfo.isOid()) {
                    loger.error("When parsing TCUserAbortIndication indication: userInfo.isOid() check failed");
                    parsePduResult = ParsePduResult.BadUserInfo;
                } else {

                    long[] oid = userInfo.getOidValue();
                    MAPDialogueAS mapDialAs = MAPDialogueAS.getInstance(oid);
                    if (mapDialAs == null) {
                        loger.error("When parsing TCUserAbortIndication indication: userInfo.getOidValue() must be userInfoMAPDialogueAS.MAP_DialogueAS");
                        parsePduResult = ParsePduResult.BadUserInfo;
                    } else if (!userInfo.isAsn()) {

                        loger.error("When parsing TCUserAbortIndication indication: userInfo.isAsn() check failed");
                        parsePduResult = ParsePduResult.BadUserInfo;
                    } else {

                        try {
                            byte[] asnData = userInfo.getEncodeType();

                            AsnInputStream ais = new AsnInputStream(asnData);

                            int tag = ais.readTag();

                            switch (tag) {
                                case MAPRefuseInfoImpl.MAP_REFUSE_INFO_TAG:
                                    // On receipt of a TC-U-ABORT indication primitive in the
                                    // "Dialogue Initiated" state with an abort-reason
                                    // parameter indicating "User Specific" and a MAP-Refuse PDU
                                    // included as user information, the MAP PM
                                    // shall issue a MAP-OPEN confirm primitive with the result
                                    // set to refused and the refuse reason set as
                                    // received in the MAP Refuse PDU.
                                    MAPRefuseInfoImpl mapRefuseInfoImpl = new MAPRefuseInfoImpl();
                                    mapRefuseInfoImpl.decodeAll(ais);

                                    switch (mapRefuseInfoImpl.getReason()) {
                                        case invalidOriginatingReference:
                                            mapRefuseReason = MAPRefuseReason.InvalidOriginatingReference;
                                            break;
                                        case invalidDestinationReference:
                                            mapRefuseReason = MAPRefuseReason.InvalidDestinationReference;
                                            break;
                                    }

                                    extensionContainer = mapRefuseInfoImpl.getExtensionContainer();
                                    parsePduResult = ParsePduResult.MapRefuse;
                                    break;

                                case MAPUserAbortInfoImpl.MAP_USER_ABORT_INFO_TAG:
                                    MAPUserAbortInfoImpl mapUserAbortInfoImpl = new MAPUserAbortInfoImpl();
                                    mapUserAbortInfoImpl.decodeAll(ais);

                                    mapUserAbortChoice = mapUserAbortInfoImpl.getMAPUserAbortChoice();
                                    extensionContainer = mapUserAbortInfoImpl.getExtensionContainer();
                                    parsePduResult = ParsePduResult.MapUserAbort;
                                    break;

                                case MAPProviderAbortInfoImpl.MAP_PROVIDER_ABORT_INFO_TAG:
                                    MAPProviderAbortInfoImpl mapProviderAbortInfoImpl = new MAPProviderAbortInfoImpl();
                                    mapProviderAbortInfoImpl.decodeAll(ais);

                                    mapProviderAbortReason = mapProviderAbortInfoImpl.getMAPProviderAbortReason();
                                    switch (mapProviderAbortReason) {
                                        case abnormalDialogue:
                                            abortProviderReason = MAPAbortProviderReason.AbnormalMAPDialogueFromPeer;
                                            break;
                                        case invalidPDU:
                                            abortProviderReason = MAPAbortProviderReason.InvalidPDU;
                                            break;
                                    }

                                    extensionContainer = mapProviderAbortInfoImpl.getExtensionContainer();
                                    parsePduResult = ParsePduResult.MapProviderAbort;
                                    break;

                                default:
                                    loger.error("When parsing TCUserAbortIndication indication: userInfogetEncodeType().Tag must be either MAP_REFUSE_INFO_TAG or MAP_USER_ABORT_INFO_TAG or MAP_PROVIDER_ABORT_INFO_TAG");
                                    parsePduResult = ParsePduResult.BadUserInfo;
                                    break;
                            }

                        } catch (AsnException e) {
                            loger.error("When parsing TCUserAbortIndication indication: AsnException" + e.getMessage(), e);
                            parsePduResult = ParsePduResult.BadUserInfo;
                        } catch (IOException e) {
                            loger.error("When parsing TCUserAbortIndication indication: IOException" + e.getMessage(), e);
                            parsePduResult = ParsePduResult.BadUserInfo;
                        } catch (MAPParsingComponentException e) {
                            loger.error(
                                    "When parsing TCUserAbortIndication indication: MAPParsingComponentException"
                                            + e.getMessage(), e);
                            parsePduResult = ParsePduResult.BadUserInfo;
                        }
                    }
                }
            }

            // special cases: AareApdu + ApplicationContextNotSupported or NoCommonDialogPortion
            if (tcUserAbortIndication.IsAareApdu()) {
                ResultSourceDiagnostic resultSourceDiagnostic = tcUserAbortIndication.getResultSourceDiagnostic();
                if (resultSourceDiagnostic != null) {
                    // ACN_Not_Supported
                    if (resultSourceDiagnostic.getDialogServiceUserType() == DialogServiceUserType.AcnNotSupported) {
                        if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                            this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.ApplicationContextNotSupported,
                                    tcUserAbortIndication.getApplicationContextName(), extensionContainer);

                            mapDialogImpl.setState(MAPDialogState.EXPUNGED);
                            return;
                        } else
                            parsePduResult = ParsePduResult.BadUserInfo;

                    } else if (resultSourceDiagnostic.getDialogServiceProviderType() == DialogServiceProviderType.NoCommonDialogPortion) {
                        if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                            // NoCommonDialogPortion
                            this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.PotentialVersionIncompatibilityTcap, null, null);

                            mapDialogImpl.setState(MAPDialogState.EXPUNGED);
                            return;
                        } else
                            parsePduResult = ParsePduResult.BadUserInfo;

                    }
                }
            }

            switch (parsePduResult) {
                case NoUserInfo:
                    // Neither ABRT nor AARE APDU presents

                    // On receipt of a TC-U-ABORT indication primitive in the
                    // "Dialogue Initiated" state with an abort-reason
                    // parameter indicating "User Specific" and without user
                    // information, the MAP PM shall issue a MAP-OPEN
                    // confirm primitive with the result parameter indicating
                    // "Dialogue Refused" and the refuse-reason
                    // parameter indicating "Potential Version Incompatibility".

                    if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT)
                        this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.NoReasonGiven, null, null);
                    else
                        this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                MAPAbortSource.MAPProblem, null);
                    break;

                case BadUserInfo:
                    this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                            MAPAbortSource.MAPProblem, null);
                    break;

                case MapRefuse:
                    if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                        // On receipt of a TC-U-ABORT indication primitive in the
                        // "Dialogue Initiated" state with an abort-reason
                        // parameter indicating "User Specific" and a MAP-Refuse PDU
                        // included as user information, the MAP PM
                        // shall issue a MAP-OPEN confirm primitive with the result
                        // set to refused and the refuse reason set as
                        // received in the MAP Refuse PDU.
                        this.deliverDialogReject(mapDialogImpl, mapRefuseReason, null, extensionContainer);
                    } else {
                        // MAPRefuseInfo in a wrong Dialog state
                        this.deliverDialogProviderAbort(mapDialogImpl, MAPAbortProviderReason.AbnormalMAPDialogueLocal,
                                MAPAbortSource.MAPProblem, null);
                    }
                    break;

                case MapUserAbort:
                    this.deliverDialogUserAbort(mapDialogImpl, mapUserAbortChoice, extensionContainer);
                    break;

                case MapProviderAbort:
                    this.deliverDialogProviderAbort(mapDialogImpl, abortProviderReason, MAPAbortSource.MAPProblem,
                            extensionContainer);
                    break;
            }

            mapDialogImpl.setState(MAPDialogState.EXPUNGED);
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    /**
     * private service methods
     */
    private void processComponents(MAPDialogImpl mapDialogImpl, Component[] components) {

        // Now let us decode the Components
        for (Component c : components) {

            doProcessComponent(mapDialogImpl, c);
        }
    }

    private void doProcessComponent(MAPDialogImpl mapDialogImpl, Component c) {

        // Getting the MAP Service that serves the MAP Dialog
        MAPServiceBaseImpl perfSer = (MAPServiceBaseImpl) mapDialogImpl.getService();

        try {
            ComponentType compType = c.getType();

            Long invokeId = c.getInvokeId();

            Parameter parameter;
            OperationCode oc;
            Long linkedId = 0L;
            Invoke linkedInvoke = null;

            switch (compType) {
                case Invoke: {
                    Invoke comp = (Invoke) c;
                    oc = comp.getOperationCode();
                    parameter = comp.getParameter();
                    linkedId = comp.getLinkedId();

                    if (linkedId != null) {
                        // linkedId exists Checking if the linkedId exists
                        linkedInvoke = comp.getLinkedInvoke();

                        long[] lstInv = perfSer.getLinkedOperationList(linkedInvoke.getOperationCode().getLocalOperationCode());
                        if (lstInv == null) {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.Invoke);
                            problem.setInvokeProblemType(InvokeProblemType.LinkedResponseUnexpected);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);

                            return;
                        }

                        boolean found = false;
                        if (lstInv != null) {
                            for (long l : lstInv) {
                                if (l == comp.getOperationCode().getLocalOperationCode()) {
                                    found = true;
                                    break;
                                }
                            }
                        }
                        if (!found) {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.Invoke);
                            problem.setInvokeProblemType(InvokeProblemType.UnexpectedLinkedOperation);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);

                            return;
                        }
                    }
                }
                    break;

                case ReturnResult: {
                    ReturnResult comp = (ReturnResult) c;
                    oc = comp.getOperationCode();
                    parameter = comp.getParameter();
                }
                    break;

                case ReturnResultLast: {
                    ReturnResultLast comp = (ReturnResultLast) c;
                    oc = comp.getOperationCode();
                    parameter = comp.getParameter();
                }
                    break;

                case ReturnError: {
                    ReturnError comp = (ReturnError) c;

                    long errorCode = 0;
                    if (comp.getErrorCode() != null && comp.getErrorCode().getErrorType() == ErrorCodeType.Local)
                        errorCode = comp.getErrorCode().getLocalErrorCode();
                    if (errorCode < MAPErrorCode.minimalCodeValue || errorCode > MAPErrorCode.maximumCodeValue) {
                        // Not Local error code and not MAP error code received
                        Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                .createProblem(ProblemType.ReturnError);
                        problem.setReturnErrorProblemType(ReturnErrorProblemType.UnrecognizedError);
                        mapDialogImpl.sendRejectComponent(invokeId, problem);
                        perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);

                        return;
                    }

                    MAPErrorMessage msgErr = this.mapErrorMessageFactory.createMessageFromErrorCode(errorCode);
                    try {
                        Parameter p = comp.getParameter();
                        if (p != null && p.getData() != null) {
                            byte[] data = p.getData();
                            AsnInputStream ais = new AsnInputStream(data, p.getTagClass(), p.isPrimitive(), p.getTag());
                            ((MAPErrorMessageImpl) msgErr).decodeData(ais, data.length);
                        }
                    } catch (MAPParsingComponentException e) {
                        // Failed when parsing the component - send TC-U-REJECT
                        Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                .createProblem(ProblemType.ReturnError);
                        problem.setReturnErrorProblemType(ReturnErrorProblemType.MistypedParameter);
                        mapDialogImpl.sendRejectComponent(invokeId, problem);
                        perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);

                        return;
                    }
                    perfSer.deliverErrorComponent(mapDialogImpl, comp.getInvokeId(), msgErr);

                    return;
                }

                case Reject: {
                    Reject rej = (Reject) c;
                    perfSer.deliverRejectComponent(mapDialogImpl, rej.getInvokeId(), rej.getProblem(), rej.isLocalOriginated());

                    return;
                }

                default:
                    return;
            }

            try {

                perfSer.processComponent(compType, oc, parameter, mapDialogImpl, invokeId, linkedId, linkedInvoke);

            } catch (MAPParsingComponentException e) {

                loger.error(
                        "MAPParsingComponentException when parsing components: " + e.getReason().toString() + " - "
                                + e.getMessage(), e);

                switch (e.getReason()) {
                    case UnrecognizedOperation:
                        // Component does not supported - send TC-U-REJECT
                        if (compType == ComponentType.Invoke) {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.Invoke);
                            problem.setInvokeProblemType(InvokeProblemType.UnrecognizedOperation);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);
                        } else {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.ReturnResult);
                            problem.setReturnResultProblemType(ReturnResultProblemType.MistypedParameter);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);
                        }
                        break;

                    case MistypedParameter:
                        // Failed when parsing the component - send TC-U-REJECT
                        if (compType == ComponentType.Invoke) {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.Invoke);
                            problem.setInvokeProblemType(InvokeProblemType.MistypedParameter);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);
                        } else {
                            Problem problem = this.getTCAPProvider().getComponentPrimitiveFactory()
                                    .createProblem(ProblemType.ReturnResult);
                            problem.setReturnResultProblemType(ReturnResultProblemType.MistypedParameter);
                            mapDialogImpl.sendRejectComponent(invokeId, problem);
                            perfSer.deliverRejectComponent(mapDialogImpl, invokeId, problem, true);
                        }
                        break;
                }
            }
        } catch (MAPException e) {
            loger.error("Error processing a Component: " + e.getMessage() + "\nComponent" + c, e);
        }
    }

    public void onTCNotice(TCNoticeIndication ind) {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        Dialog tcapDialog = ind.getDialog();
        if (tcapDialog == null) {
            // no existent Dialog for TC-NOTICE
            return;
        }

        MAPDialogImpl mapDialogImpl = (MAPDialogImpl) this.getMAPDialog(tcapDialog.getLocalDialogId());

        if (mapDialogImpl == null) {
            loger.error("MAP Dialog not found for Dialog Id " + tcapDialog.getLocalDialogId());
            return;
        }

        try {
            mapDialogImpl.getTcapDialog().getDialogLock().lock();

            if (mapDialogImpl.getState() == MAPDialogState.INITIAL_SENT) {
                // If a TC-NOTICE indication primitive is received before the
                // dialogue has been confirmed (i.e. no backward message is
                // received by the dialogue initiator node), the MAP PM shall
                // issue a MAP-OP EN Cnf primitive with the result parameter
                // indicating Refused and a refuse reason Remote node not
                // reachable�.
                this.deliverDialogReject(mapDialogImpl, MAPRefuseReason.RemoteNodeNotReachable, null, null);
                mapDialogImpl.setState(MAPDialogState.EXPUNGED);
            } else if (mapDialogImpl.getState() == MAPDialogState.ACTIVE) {
                // If a TC-NOTICE indication primitive is received after the
                // dialogue has been confirmed, the MAP PM shall issue a
                // MAP-NOTICE indication to the user, with a problem diagnostic
                // indicating "message cannot be delivered to the peer".
                this.deliverDialogNotice(mapDialogImpl, MAPNoticeProblemDiagnostic.MessageCannotBeDeliveredToThePeer);
            }
        } finally {
            mapDialogImpl.getTcapDialog().getDialogLock().unlock();
        }
    }

    private void deliverDialogDelimiter(MAPDialog mapDialog) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogDelimiter(mapDialog);
        }
    }

    private void deliverDialogRequest(MAPDialog mapDialog, AddressString destReference, AddressString origReference,
            MAPExtensionContainer extensionContainer) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogRequest(mapDialog, destReference, origReference, extensionContainer);
        }
    }

    private void deliverDialogRequestEri(MAPDialog mapDialog, AddressString destReference, AddressString origReference,
            AddressString eriMsisdn, AddressString eriVlrNo) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogRequestEricsson(mapDialog, destReference, origReference, eriMsisdn, eriVlrNo);
        }
    }

    private void deliverDialogAccept(MAPDialog mapDialog, MAPExtensionContainer extensionContainer) {
       for (MAPDialogListener listener : this.dialogListeners) {
//        for (FastList.Node n = this.dialogListeners.head(), end = this.dialogListeners
//                    .tail(); (n = n.getNext()) != end;) {
          //  MAPDialogListener listener = n.getValue();
            listener.onDialogAccept(mapDialog, extensionContainer);
        }
    }

    private void deliverDialogReject(MAPDialog mapDialog, MAPRefuseReason refuseReason,
            ApplicationContextName alternativeApplicationContext, MAPExtensionContainer extensionContainer) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogReject(mapDialog, refuseReason, alternativeApplicationContext, extensionContainer);
        }
    }

    private void deliverDialogClose(MAPDialog mapDialog) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogClose(mapDialog);
        }
    }

    private void deliverDialogProviderAbort(MAPDialog mapDialog, MAPAbortProviderReason abortProviderReason,
            MAPAbortSource abortSource, MAPExtensionContainer extensionContainer) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogProviderAbort(mapDialog, abortProviderReason, abortSource, extensionContainer);
        }
    }

    private void deliverDialogUserAbort(MAPDialog mapDialog, MAPUserAbortChoice userReason,
            MAPExtensionContainer extensionContainer) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogUserAbort(mapDialog, userReason, extensionContainer);
        }
    }

    protected void deliverDialogNotice(MAPDialog mapDialog, MAPNoticeProblemDiagnostic noticeProblemDiagnostic) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogNotice(mapDialog, noticeProblemDiagnostic);
        }
    }

    protected void deliverDialogRelease(MAPDialog mapDialog) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogRelease(mapDialog);
        }
    }

    protected void deliverDialogTimeout(MAPDialog mapDialog) {
        for (MAPDialogListener listener : this.dialogListeners) {
            listener.onDialogTimeout(mapDialog);
        }
    }

    protected void fireTCBegin(Dialog tcapDialog, ApplicationContextName acn, AddressString destReference,
            AddressString origReference, MAPExtensionContainer mapExtensionContainer, boolean isEriStyle, AddressString eriMsisdn,
            AddressString vlrNoEri, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        TCBeginRequest tcBeginReq = encodeTCBegin(tcapDialog, acn, destReference, origReference, mapExtensionContainer,
                isEriStyle, eriMsisdn, vlrNoEri);
        if (returnMessageOnError)
            tcBeginReq.setReturnMessageOnError(true);

        try {
            tcapDialog.send(tcBeginReq);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }

    }

    protected TCBeginRequest encodeTCBegin(Dialog tcapDialog, ApplicationContextName acn, AddressString destReference,
            AddressString origReference, MAPExtensionContainer mapExtensionContainer, boolean eriStyle, AddressString eriMsisdn,
            AddressString eriVlrNo) throws MAPException {

        TCBeginRequest tcBeginReq = this.getTCAPProvider().getDialogPrimitiveFactory().createBegin(tcapDialog);

        // we do not set ApplicationContextName if MAP Version 1
        if (MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1)
            tcBeginReq.setApplicationContextName(acn);

        if ((destReference != null || origReference != null || mapExtensionContainer != null || eriStyle)
                && MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1) {
            MAPOpenInfoImpl mapOpn = new MAPOpenInfoImpl();
            mapOpn.setDestReference(destReference);
            mapOpn.setOrigReference(origReference);
            mapOpn.setExtensionContainer(mapExtensionContainer);
            mapOpn.setEriStyle(eriStyle);
            mapOpn.setEriMsisdn(eriMsisdn);
            mapOpn.setEriVlrNo(eriVlrNo);

            AsnOutputStream localasnOs = new AsnOutputStream();
            mapOpn.encodeAll(localasnOs);

            UserInformation userInformation = TcapFactory.createUserInformation();

            userInformation.setOid(true);
            userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

            userInformation.setAsn(true);
            userInformation.setEncodeType(localasnOs.toByteArray());

            tcBeginReq.setUserInformation(userInformation);
        }
        return tcBeginReq;
    }

    protected void fireTCContinue(Dialog tcapDialog, Boolean sendMapAcceptInfo, ApplicationContextName acn,
            MAPExtensionContainer mapExtensionContainer, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        TCContinueRequest tcContinueReq = encodeTCContinue(tcapDialog, sendMapAcceptInfo, acn, mapExtensionContainer);
        if (returnMessageOnError)
            tcContinueReq.setReturnMessageOnError(true);

        try {
            tcapDialog.send(tcContinueReq);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    protected TCContinueRequest encodeTCContinue(Dialog tcapDialog, Boolean sendMapAcceptInfo, ApplicationContextName acn,
            MAPExtensionContainer mapExtensionContainer) throws MAPException {
        TCContinueRequest tcContinueReq = this.getTCAPProvider().getDialogPrimitiveFactory().createContinue(tcapDialog);

        // we do not set ApplicationContextName if MAP Version 1
        if (acn != null && MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1)
            tcContinueReq.setApplicationContextName(acn);

        if (sendMapAcceptInfo && mapExtensionContainer != null && MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1) {

            MAPAcceptInfoImpl mapAccept = new MAPAcceptInfoImpl();
            mapAccept.setExtensionContainer(mapExtensionContainer);

            AsnOutputStream localasnOs = new AsnOutputStream();
            mapAccept.encodeAll(localasnOs);

            UserInformation userInformation = TcapFactory.createUserInformation();

            userInformation.setOid(true);
            userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

            userInformation.setAsn(true);
            userInformation.setEncodeType(localasnOs.toByteArray());

            tcContinueReq.setUserInformation(userInformation);
        }
        return tcContinueReq;
    }

    protected void fireTCEnd(Dialog tcapDialog, Boolean sendMapCloseInfo, boolean prearrangedEnd, ApplicationContextName acn,
            MAPExtensionContainer mapExtensionContainer, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        TCEndRequest endRequest = encodeTCEnd(tcapDialog, sendMapCloseInfo, prearrangedEnd, acn, mapExtensionContainer);
        if (returnMessageOnError)
            endRequest.setReturnMessageOnError(true);

        try {
            tcapDialog.send(endRequest);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    protected TCEndRequest encodeTCEnd(Dialog tcapDialog, Boolean sendMapCloseInfo, boolean prearrangedEnd,
            ApplicationContextName acn, MAPExtensionContainer mapExtensionContainer) throws MAPException {
        TCEndRequest endRequest = this.getTCAPProvider().getDialogPrimitiveFactory().createEnd(tcapDialog);

        if (!prearrangedEnd) {
            endRequest.setTermination(TerminationType.Basic);
        } else {
            endRequest.setTermination(TerminationType.PreArranged);
        }

        // we do not set ApplicationContextName if MAP Version 1
        if (acn != null && MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1)
            endRequest.setApplicationContextName(acn);

        if (sendMapCloseInfo && mapExtensionContainer != null && MAPApplicationContext.getProtocolVersion(acn.getOid()) > 1) {
            MAPAcceptInfoImpl mapAccept = new MAPAcceptInfoImpl();
            mapAccept.setExtensionContainer(mapExtensionContainer);

            AsnOutputStream localasnOs = new AsnOutputStream();
            mapAccept.encodeAll(localasnOs);

            UserInformation userInformation = TcapFactory.createUserInformation();

            userInformation.setOid(true);
            userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

            userInformation.setAsn(true);
            userInformation.setEncodeType(localasnOs.toByteArray());

            endRequest.setUserInformation(userInformation);
        }
        return endRequest;
    }

    /**
     * Issue TC-U-ABORT with the "abort reason" = "application-content-name-not-supported"
     *
     * @param tcapDialog
     * @param mapExtensionContainer
     * @param alternativeApplicationContext
     * @throws MAPException
     */
    private void fireTCAbortACNNotSupported(Dialog tcapDialog, MAPExtensionContainer mapExtensionContainer,
            ApplicationContextName alternativeApplicationContext, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        if (tcapDialog.getApplicationContextName() == null) // MAP V1
            this.fireTCAbortV1(tcapDialog, returnMessageOnError);

        TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);

        MAPRefuseInfoImpl mapRefuseInfoImpl = new MAPRefuseInfoImpl();
        mapRefuseInfoImpl.setReason(Reason.noReasonGiven);

        AsnOutputStream localasnOs = new AsnOutputStream();
        mapRefuseInfoImpl.encodeAll(localasnOs);

        UserInformation userInformation = TcapFactory.createUserInformation();

        userInformation.setOid(true);
        userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

        userInformation.setAsn(true);
        userInformation.setEncodeType(localasnOs.toByteArray());
        if (returnMessageOnError)
            tcUserAbort.setReturnMessageOnError(true);

        if (alternativeApplicationContext != null)
            tcUserAbort.setApplicationContextName(alternativeApplicationContext);
        else
            tcUserAbort.setApplicationContextName(tcapDialog.getApplicationContextName());
        tcUserAbort.setDialogServiceUserType(DialogServiceUserType.AcnNotSupported);
        tcUserAbort.setUserInformation(userInformation);

        try {
            tcapDialog.send(tcUserAbort);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    /**
     * Issue TC-U-ABORT with the "abort reason" = "dialogue-refused"
     *
     * @param tcapDialog
     * @param reason
     * @param mapExtensionContainer
     * @throws MAPException
     */
    protected void fireTCAbortRefused(Dialog tcapDialog, Reason reason, MAPExtensionContainer mapExtensionContainer,
            boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        if (tcapDialog.getApplicationContextName() == null) // MAP V1
            this.fireTCAbortV1(tcapDialog, returnMessageOnError);

        TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);

        MAPRefuseInfoImpl mapRefuseInfoImpl = new MAPRefuseInfoImpl();
        mapRefuseInfoImpl.setReason(reason);
        mapRefuseInfoImpl.setExtensionContainer(mapExtensionContainer);

        // ApplicationContextName aacn = new ApplicationContextNameImpl();
        // aacn.setOid(new long[] { 3, 4, 5 } );
        // mapRefuseInfoImpl.setAlternativeAcn(aacn);

        AsnOutputStream localasnOs = new AsnOutputStream();
        mapRefuseInfoImpl.encodeAll(localasnOs);

        UserInformation userInformation = TcapFactory.createUserInformation();

        userInformation.setOid(true);
        userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

        userInformation.setAsn(true);
        userInformation.setEncodeType(localasnOs.toByteArray());

        tcUserAbort.setApplicationContextName(tcapDialog.getApplicationContextName());
        tcUserAbort.setDialogServiceUserType(DialogServiceUserType.NoReasonGive);
        tcUserAbort.setUserInformation(userInformation);
        if (returnMessageOnError)
            tcUserAbort.setReturnMessageOnError(true);

        try {
            tcapDialog.send(tcUserAbort);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    /**
     * Issue TC-U-ABORT with the ABRT apdu with MAPUserAbortInfo userInformation
     *
     * @param tcapDialog
     * @param mapUserAbortChoice
     * @param mapExtensionContainer
     * @throws MAPException
     */
    protected void fireTCAbortUser(Dialog tcapDialog, MAPUserAbortChoice mapUserAbortChoice,
            MAPExtensionContainer mapExtensionContainer, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        if (tcapDialog.getApplicationContextName() == null) // MAP V1
            this.fireTCAbortV1(tcapDialog, returnMessageOnError);

        TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);

        MAPUserAbortInfoImpl mapUserAbortInfoImpl = new MAPUserAbortInfoImpl();
        mapUserAbortInfoImpl.setMAPUserAbortChoice(mapUserAbortChoice);
        mapUserAbortInfoImpl.setExtensionContainer(mapExtensionContainer);

        AsnOutputStream localasnOs = new AsnOutputStream();
        mapUserAbortInfoImpl.encodeAll(localasnOs);

        UserInformation userInformation = TcapFactory.createUserInformation();

        userInformation.setOid(true);
        userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

        userInformation.setAsn(true);
        userInformation.setEncodeType(localasnOs.toByteArray());
        if (returnMessageOnError)
            tcUserAbort.setReturnMessageOnError(true);

        tcUserAbort.setUserInformation(userInformation);

        try {
            tcapDialog.send(tcUserAbort);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }

    }

    /**
     * Issue TC-U-ABORT with the ABRT apdu with MAPProviderAbortInfo userInformation
     *
     * @param tcapDialog
     * @param mapProviderAbortReason
     * @param mapExtensionContainer
     * @throws MAPException
     */
    protected void fireTCAbortProvider(Dialog tcapDialog, MAPProviderAbortReason mapProviderAbortReason,
            MAPExtensionContainer mapExtensionContainer, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        if (tcapDialog.getApplicationContextName() == null) // MAP V1
            this.fireTCAbortV1(tcapDialog, returnMessageOnError);

        TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);

        MAPProviderAbortInfoImpl mapProviderAbortInfo = new MAPProviderAbortInfoImpl();
        mapProviderAbortInfo.setMAPProviderAbortReason(mapProviderAbortReason);
        mapProviderAbortInfo.setExtensionContainer(mapExtensionContainer);

        AsnOutputStream localasnOs = new AsnOutputStream();
        mapProviderAbortInfo.encodeAll(localasnOs);

        UserInformation userInformation = TcapFactory.createUserInformation();

        userInformation.setOid(true);
        userInformation.setOidValue(MAPDialogueAS.MAP_DialogueAS.getOID());

        userInformation.setAsn(true);
        userInformation.setEncodeType(localasnOs.toByteArray());
        if (returnMessageOnError)
            tcUserAbort.setReturnMessageOnError(true);

        tcUserAbort.setUserInformation(userInformation);

        try {
            tcapDialog.send(tcUserAbort);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    /**
     * Issue TC-U-ABORT without any apdu - for MAP V1
     *
     * @param tcapDialog
     * @param returnMessageOnError
     * @throws MAPException
     */
    protected void fireTCAbortV1(Dialog tcapDialog, boolean returnMessageOnError) throws MAPException {

        if (this.getTCAPProvider().getPreviewMode()) {
            return;
        }

        TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);
        if (returnMessageOnError)
            tcUserAbort.setReturnMessageOnError(true);

        try {
            tcapDialog.send(tcUserAbort);
        } catch (TCAPSendException e) {
            throw new MAPException(e.getMessage(), e);
        }
    }

    @Override
    public FastMap getNetworkIdStateList() {
        return this.tcapProvider.getNetworkIdStateList();
    }

    @Override
    public NetworkIdState getNetworkIdState(int networkId) {
        return this.tcapProvider.getNetworkIdState(networkId);
    }

    @Override
    public void setUserPartCongestionLevel(String congObject, int level) {
        this.tcapProvider.setUserPartCongestionLevel(congObject, level);
    }

    @Override
    public int getMemoryCongestionLevel() {
        return this.tcapProvider.getMemoryCongestionLevel();
    }

    @Override
    public int getExecutorCongestionLevel() {
        return this.tcapProvider.getExecutorCongestionLevel();
    }

    @Override
    public int getCumulativeCongestionLevel() {
        return this.tcapProvider.getCumulativeCongestionLevel();
    }

    @Override
    public int getCurrentDialogsCount() {
        return this.tcapProvider.getCurrentDialogsCount();
    }

}




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